Rivers- River Processes (Erosion)

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What is Headward Erosion?
Headward Erosion makes the river longer. It happens near a river's source as throughflow and surface runoff causes erosion at the point the water enters the river channel (the valley head)
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What is Vertical Erosion?
Vertical Erosion deepens river channels. It happens in the upper stages of a river.
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What is Lateral Erosion?
Lateral Erosion makes the river wider. It happens in the middle and lower stages of a river.
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What is Hydraulic Action?
The pressure of the water breaks rock particles away from the bed and banks. It's strongest in rapids and waterfalls, and during floods.
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What is Abrasion?
Eroded pieces of rock in the water s
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Other cards in this set

Card 2

Front

What is Vertical Erosion?

Back

Vertical Erosion deepens river channels. It happens in the upper stages of a river.

Card 3

Front

What is Lateral Erosion?

Back

Preview of the front of card 3

Card 4

Front

What is Hydraulic Action?

Back

Preview of the front of card 4

Card 5

Front

What is Abrasion?

Back

Preview of the front of card 5

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